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<HEAD><TITLE>beeps</TITLE></HEAD>
<BODY><H1>beeps</H1>
Beeps throughout the trial<BR><BR>
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<TR><TD>Name</TD><TD>Required</TD><TD>Type</TD><TD>Default value</TD><TD>Description</TD>
<TR><TD>frequency</TD><TD>Yes</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>500</TD><TD>beep frequency (in Hz). </TD></TR>
<TR><TD>duration</TD><TD>Yes</TD><TD><A title="A single number (i.e. not a matrix)">number</A></TD><TD>0.15</TD><TD>beep duration (in seconds)</TD></TR>
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